/* ARI Nord – Outil de correspondance rails & patins */
@font-face{font-family:"Barlow";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/barlow-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/barlow-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/barlow-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/barlow-condensed-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/barlow-condensed-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/barlow-condensed-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2")}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-size:14px}
img{max-width:100%}
[hidden]{display:none!important}
.back{color:#B9CDBB;font-size:13px;text-decoration:none;display:inline-block;margin-bottom:6px}.back:hover{color:#fff}
/* Mise en page : bandeau vert ARI, barre de recherche, puis une « feuille de plan » (vues + cartouche) à côté d'un panneau d'écarts. */
:root{
  --bg:#EEF2EC; --surface:#FFFFFF; --ink:#132018; --muted:#58695D; --line:#D3DCD2;
  --green:#218B21; --green-ink:#1A6F1A; --green-deep:#123D22; --green-soft:#E3F1E1;
  --orange:#F66912; --orange-ink:#B84A06; --orange-soft:#FDEBDD;
  --grey-soft:#ECEFEB;
  --paper:#FAFCF8; --grid:rgba(33,139,33,.07); --draw:#1B2A20; --partfill:#DCE8DA; --railfill:#C3D1C3;
  --dim:#1A6F1A; --hatch:#9DB09F;
  --f-display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Barlow","Segoe UI",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D1410; --surface:#141E18; --ink:#E4ECE5; --muted:#93A598; --line:#26352C;
  --green:#3EB43E; --green-ink:#5BCB5B; --green-deep:#0B2416; --green-soft:#183421;
  --orange:#FF8A3D; --orange-ink:#FFA066; --orange-soft:#3A2414; --grey-soft:#1D2821;
  --paper:#0F1B15; --grid:rgba(91,203,91,.07); --draw:#D6E3D8; --partfill:#1E3427; --railfill:#2B4033;
  --dim:#6BD46B; --hatch:#3C5245; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D1410; --surface:#141E18; --ink:#E4ECE5; --muted:#93A598; --line:#26352C;
  --green:#3EB43E; --green-ink:#5BCB5B; --green-deep:#0B2416; --green-soft:#183421;
  --orange:#FF8A3D; --orange-ink:#FFA066; --orange-soft:#3A2414; --grey-soft:#1D2821;
  --paper:#0F1B15; --grid:rgba(91,203,91,.07); --draw:#D6E3D8; --partfill:#1E3427; --railfill:#2B4033;
  --dim:#6BD46B; --hatch:#3C5245; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.45}
.wrap{max-width:1280px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:.01em}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* Bandeau */
.top{background:#123D22;color:#F2F7F1}
.top .wrap{padding-block:22px 26px;display:flex;flex-wrap:wrap;gap:18px 32px;align-items:flex-end;justify-content:space-between}
.brand{display:flex;gap:14px;align-items:center}
.mark{width:46px;height:46px;border-radius:50%;background:#218B21;display:grid;place-items:center;font-family:var(--f-display);font-weight:700;font-size:17px;letter-spacing:.04em;color:#fff;box-shadow:inset 0 0 0 3px #F66912}
.top h1{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1}
.top p{margin:4px 0 0;color:#B9CDBB;font-size:14px}
.tabs{display:flex;gap:4px;background:rgba(255,255,255,.08);padding:4px;border-radius:999px}
.tab{border:0;background:transparent;color:#DCE8DC;padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px}
.tab[aria-selected="true"]{background:#F66912;color:#fff}

/* Recherche */
.searchband{background:#123D22;padding-bottom:30px}
.searchbox{position:relative;max-width:760px}
.searchbox label{display:block;font-family:var(--f-display);text-transform:uppercase;letter-spacing:.08em;font-size:13px;color:#B9CDBB;margin-bottom:6px}
.field{display:flex;align-items:center;background:#fff;border-radius:12px;box-shadow:0 6px 24px rgba(0,0,0,.25);overflow:hidden}
.field svg{flex:0 0 auto;margin-left:16px}
#q{flex:1;min-width:0;border:0;outline:0;padding:16px 14px;font-family:var(--f-mono);font-size:18px;color:#132018;background:transparent}
#q::placeholder{color:#8A988D;font-family:var(--f-body);font-size:16px}
.clear{border:0;background:transparent;color:#58695D;padding:0 16px;font-size:22px}
.examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center;color:#B9CDBB;font-size:13px}
.chip{border:1px solid rgba(255,255,255,.25);background:transparent;color:#F2F7F1;padding:4px 10px;border-radius:999px;font-family:var(--f-mono);font-size:13px}
.chip:hover{background:rgba(255,255,255,.1)}
#sugg{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(0,0,0,.25);z-index:20;max-height:420px;overflow:auto;padding:6px;margin:0;list-style:none}
#sugg li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;padding:9px 12px;border-radius:8px;cursor:pointer}
#sugg li[aria-selected="true"],#sugg li:hover{background:var(--green-soft)}
#sugg .r{font-family:var(--f-mono);font-weight:600}
#sugg .m{grid-column:1;color:var(--muted);font-size:13px}
#sugg .t{grid-row:1 / span 2;grid-column:2;align-self:center;font-family:var(--f-mono);font-size:13px;color:var(--green-ink);white-space:nowrap}
#sugg .t.ari{color:var(--orange-ink)}
#sugg .none{color:var(--muted);cursor:default}

/* Résultat */
main{padding-block:26px 40px;display:grid;gap:22px}
.verdict{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.15fr);gap:14px;align-items:stretch}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;min-width:0}
.eyebrow{font-family:var(--f-display);text-transform:uppercase;letter-spacing:.09em;font-size:12.5px;color:var(--muted);font-weight:600}
.ref{font-family:var(--f-mono);font-weight:600;font-size:clamp(20px,2.4vw,26px);margin-top:4px;word-break:break-word}
.sub{color:var(--muted);font-size:14px;margin-top:2px}
.aricard{border:2px solid var(--green);background:linear-gradient(0deg,var(--surface),var(--surface)) padding-box}
.aricard .ref{color:var(--green-ink);font-size:clamp(26px,3vw,34px)}
.rail-line{margin-top:8px;font-size:14px}
.rail-line b{font-family:var(--f-mono)}
.arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-width:150px}
.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;font-weight:600;font-size:14px;text-align:center}
.badge i{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.lv-ok{background:var(--green-soft);color:var(--green-ink)} .lv-ok i{background:var(--green)}
.lv-warn{background:var(--orange-soft);color:var(--orange-ink)} .lv-warn i{background:var(--orange)}
.lv-check{background:var(--grey-soft);color:var(--muted)} .lv-check i{background:var(--muted)}
.arrow .hint{font-size:12.5px;color:var(--muted);text-align:center;max-width:170px}
.arrow svg{color:var(--muted)}
.alts{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;align-items:center}
.alts span{font-size:13px;color:var(--muted);margin-right:2px}
.alt{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 10px;font-family:var(--f-mono);font-size:13px;display:inline-flex;gap:6px;align-items:center}
.alt i{width:7px;height:7px;border-radius:50%}
.alt[aria-pressed="true"]{border-color:var(--green);background:var(--green-soft);color:var(--green-ink);font-weight:600}

.work{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:22px;align-items:start}
/* Feuille de plan */
.sheet{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.sheet-bar{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.sheet-bar h2{font-size:20px;font-weight:600}
.toggle{display:inline-flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;user-select:none}
.toggle input{appearance:none;width:38px;height:22px;border-radius:999px;background:var(--line);position:relative;margin:0;cursor:pointer;transition:background .2s}
.toggle input::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--surface);transition:transform .2s}
.toggle input:checked{background:var(--orange)}
.toggle input:checked::after{transform:translateX(16px)}
.toggle input:disabled{opacity:.4}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.legend b{display:inline-block;width:22px;height:0;border-top:2px solid var(--draw);vertical-align:middle;margin-right:6px}
.legend b.o{border-top:2px dashed var(--orange)}
.views{padding:10px 14px 4px;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:18px 18px;display:grid;gap:4px}
.view{position:relative}
.view .vt{position:absolute;left:4px;top:4px;font-family:var(--f-display);text-transform:uppercase;letter-spacing:.1em;font-size:12px;color:var(--muted)}
.view svg{display:block;width:100%;height:auto}
#front{max-height:300px}#topv{max-height:250px}#railv{max-height:160px}
.view + .view{border-top:1px dashed var(--line);padding-top:2px}
.cart{display:grid;grid-template-columns:1.3fr 1.8fr 1fr 1fr;border-top:2px solid var(--draw);font-size:12.5px}
.cart div{padding:7px 10px;border-right:1px solid var(--line);min-width:0}
.cart div:last-child{border-right:0}
.cart small{display:block;font-family:var(--f-display);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:11px}
.cart b{font-family:var(--f-mono);font-weight:600;font-size:13px;word-break:break-word}

/* SVG */
svg text{font-family:var(--f-mono)}
.part{fill:var(--partfill);stroke:var(--draw);stroke-width:1.6;stroke-linejoin:round}
.railp{fill:var(--railfill);stroke:var(--draw);stroke-width:1.4}
.thin{fill:none;stroke:var(--draw);stroke-width:.8}
.hid{fill:none;stroke:var(--draw);stroke-width:.8;stroke-dasharray:4 2.5;opacity:.75}
.ctr{fill:none;stroke:var(--orange);stroke-width:.7;stroke-dasharray:10 2.5 2 2.5;opacity:.8}
.ball{fill:var(--draw);opacity:.75}
.base{stroke:var(--draw);stroke-width:1.2}
.hatch{stroke:var(--hatch);stroke-width:.8}
.ov{fill:none;stroke:var(--orange);stroke-width:1.6;stroke-dasharray:6 3.5}
.dl{stroke:var(--dim);stroke-width:.9;fill:none}
.ext{stroke:var(--dim);stroke-width:.6;opacity:.7}
.ah{fill:var(--dim)}
.dt{fill:var(--dim);font-size:12.5px;font-weight:500}
.dt .k{font-family:var(--f-body);font-weight:600;font-size:11.5px}
.dt.diff{fill:var(--orange-ink)}
.dt .d{fill:var(--orange-ink);font-size:11px}
.lbl{fill:var(--muted);font-size:11px;font-family:var(--f-body)}

/* Panneau */
.side{display:grid;gap:16px}
.side h3{font-size:19px;font-weight:600;margin-bottom:10px}
table{border-collapse:collapse;width:100%;font-size:14px}
th{font-family:var(--f-display);text-transform:uppercase;letter-spacing:.07em;font-size:12px;color:var(--muted);font-weight:600;text-align:right;padding:6px 8px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
td:first-child{font-family:var(--f-body)}
td:first-child em{font-style:normal;color:var(--muted);font-size:12.5px;display:block;line-height:1.2}
tr:last-child td{border-bottom:0}
.dz{color:var(--green-ink)} .dn{color:var(--orange-ink);font-weight:600} .di{color:var(--muted)}
tr.hl td{background:var(--orange-soft)}
.tablewrap{overflow-x:auto}
.loads{display:grid;gap:12px}
.lrow{display:grid;grid-template-columns:118px minmax(0,1fr) 84px;gap:10px;align-items:center;font-size:13.5px}
.bar{height:12px;border-radius:6px;background:var(--grey-soft);overflow:hidden}
.bar span{display:block;height:100%;border-radius:6px;background:var(--muted);transition:width .45s ease}
.bar span.p{background:var(--green)}
.lrow .v{text-align:right;font-family:var(--f-mono)}
.small{font-size:12.5px;color:var(--muted);margin:8px 0 0}
.notes{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.notes li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px;font-size:14px}
.notes li::before{content:"";width:10px;height:10px;border-radius:50%;margin-top:5px;background:var(--green)}
.notes li.w::before{background:var(--orange)}
.notes li.i::before{background:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.btn{border:0;border-radius:10px;background:#F66912;color:#fff;padding:11px 16px;font-weight:600;font-size:15px;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn.big{width:100%;justify-content:center;padding:14px 18px;font-size:16px}
.recap{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;margin:0;font-size:14px}
.recap dt{color:var(--muted)}
.recap dd{margin:0;font-family:var(--f-mono);font-weight:500;word-break:break-word}
.btn:hover{background:#DD5A08}
.btn.ghost{background:transparent;color:var(--green-ink);border:1px solid var(--line)}
#copied{font-size:13px;color:var(--green-ink)}
textarea#devis{width:100%;min-height:118px;margin-top:10px;font-family:var(--f-mono);font-size:13px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px;resize:vertical}
.eqlist{display:grid;gap:10px}
.eqgrp small{display:block;font-family:var(--f-display);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-size:12px;margin-bottom:4px}
.eqgrp div{display:flex;flex-wrap:wrap;gap:6px}
.pick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
.pick label{font-size:12.5px;color:var(--muted);display:grid;gap:4px}
.pick select{font:inherit;font-size:14px;padding:8px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);min-width:0}
.leftcol{display:grid;gap:22px;min-width:0}
.cfg{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px 14px}
.cfg label{display:grid;gap:4px;font-size:12.5px;color:var(--muted);min-width:0}
.cfg label.wide{grid-column:1 / -1}
.cfg input,.cfg select{font:inherit;font-family:var(--f-mono);font-size:15px;padding:9px 10px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);min-width:0;width:100%}
.cfg input:focus{border-color:var(--green)}
.inrow{display:flex;gap:6px}
.inrow button{flex:0 0 auto;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:0 10px;font-size:12.5px;color:var(--green-ink)}
.unit{position:relative}.unit input{padding-right:38px}.unit span{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--muted);font-family:var(--f-mono);font-size:13px;pointer-events:none}
.railref{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;padding:10px 12px;border-radius:8px;background:var(--green-soft);margin-bottom:12px}
.railref b{font-family:var(--f-mono);font-size:18px;color:var(--green-ink)}
.railref span{font-size:13px;color:var(--muted)}
.res{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:14px}
.res div{background:var(--bg);border-radius:8px;padding:8px 10px;min-width:0}
.res small{display:block;font-size:11.5px;color:var(--muted);font-family:var(--f-display);text-transform:uppercase;letter-spacing:.06em}
.res b{font-family:var(--f-mono);font-size:15px}
.code{margin-top:12px;padding:10px 12px;border:1px dashed var(--green);border-radius:8px;display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.code small{font-size:12px;color:var(--muted)}
.code b{font-family:var(--f-mono);font-size:16px;letter-spacing:.02em;color:var(--green-ink);word-break:break-all}
#rmsg{margin-top:10px}
.lab{display:flex;align-items:center;gap:6px}
.info{position:relative;width:17px;height:17px;border-radius:50%;border:1px solid var(--green);background:var(--surface);color:var(--green-ink);font:600 11px/1 var(--f-mono);padding:0;display:inline-grid;place-items:center;cursor:help}
.info .tip{position:absolute;bottom:calc(100% + 8px);width:min(270px,78vw);padding:10px 12px;border-radius:8px;background:var(--ink);color:var(--surface);font:400 13px/1.45 var(--f-body);text-align:left;box-shadow:0 8px 24px rgba(0,0,0,.25);opacity:0;visibility:hidden;transition:opacity .15s;z-index:30;pointer-events:none}
.info .tip::after{content:"";position:absolute;top:100%;border:6px solid transparent;border-top-color:var(--ink)}
.info.r .tip{right:-8px}.info.r .tip::after{right:10px}
.info.l .tip{left:-8px}.info.l .tip::after{left:10px}
.info:hover .tip,.info:focus .tip,.info:focus-visible .tip{opacity:1;visibility:visible}
@media (max-width:520px){.res{grid-template-columns:repeat(2,minmax(0,1fr))}}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}
footer .wrap{padding-block:18px 26px;display:grid;gap:6px}
footer a{color:var(--green-ink)}

@media (max-width:1000px){.work{grid-template-columns:minmax(0,1fr)}}
@media (max-width:760px){
  .verdict{grid-template-columns:minmax(0,1fr)}
  .arrow{flex-direction:row;min-width:0;justify-content:flex-start;flex-wrap:wrap}
  .arrow svg{transform:rotate(90deg)}
  .cart{grid-template-columns:1fr 1fr}
  .cart div:nth-child(2){border-right:0}
  .cart div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .pick{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Cotes de fixation (repères sur les plans) */
.cl{stroke:var(--ink);stroke-width:.8;fill:none;opacity:.8}
.cld{fill:var(--ink)}
.ct{fill:var(--ink);font-size:12px;font-weight:600}
.ctl{fill:var(--muted);font-size:11.5px}
.ctl.diff{fill:var(--orange-ink)}